情景对话。

根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项.选项中有两个为多余选项.

Tom: Sorry. I didn't mean to be late. Can I come in?  

Teacher: What's your excuse this time?  

Tom: Have I used the one that my sister is sick?  

Teacher:   __1__  

Tom: Are you sure?   __2__

Teacher:I don't think so. But it could have been.  

Tom: Well. You can trust me this time. My sister is definitely sick.   __3__They say she might even die.  

Teacher: I don't buy your story.      4         

Tom: I'll do my best.  

Teacher: Just try to be a little more punctual in the future.  

Tom: __5  _    

A. You're joking, aren't you?

B. I'm just coming from the hospital.

C. I thought I said it was my mother.

D. I'm working on it. Really!

E. Yes, twice last week.  

F. Try not to have any more sick relatives this week, all right?

G. I don't believe you.